Pabo.MozBar.MozPane.GetThemeColors C# (CSharp) Method

        private void GetThemeColors()
        {
            int EPB_HEADERBACKGROUND = 1;
            int EPB_NORMALGROUPBACKGROUND = 5;

            int TMT_GRADIENTCOLOR1 = 3810;
            int TMT_GRADIENTCOLOR2 = 3811;

            Color selectColor = new Color();
            Color focusColor = new Color();
            Color borderColor = new Color();
            bool useSystemColors = false;

            // Check if themes are available
            if (m_themeManager._IsAppThemed())
            {
                if (m_theme!=IntPtr.Zero)
                    m_themeManager._CloseThemeData(m_theme);

                // Open themes for "ExplorerBar"
                m_theme = m_themeManager._OpenThemeData(this.Handle,"EXPLORERBAR");
                if (m_theme!=IntPtr.Zero)
                {

                    // Get Theme colors..
                    selectColor = m_themeManager._GetThemeColor(m_theme,EPB_HEADERBACKGROUND,1,TMT_GRADIENTCOLOR2);
                    focusColor = m_themeManager._GetThemeColor(m_theme,EPB_NORMALGROUPBACKGROUND,1,TMT_GRADIENTCOLOR1);

                    borderColor = ControlPaint.Light(selectColor);
                    selectColor = ControlPaint.LightLight(selectColor);
                    focusColor = ControlPaint.LightLight(selectColor);
                }
                else
                {
                    useSystemColors = true;
                }
            }
            else
            {
                useSystemColors = true;
            }

            if (useSystemColors)
            {
                // Get System colors
                selectColor = SystemColors.ActiveCaption;
                focusColor = ControlPaint.Light(selectColor);
                borderColor = SystemColors.ActiveBorder;
            }

            // apply colors..
            ItemColors.SelectedBorder = ControlPaint.Light(ControlPaint.Dark(selectColor));
            this.BorderColor = borderColor;
            ItemColors.Divider = borderColor;

            ItemColors.SelectedBackground = selectColor;
            ItemColors.FocusBackground = focusColor;
            ItemColors.FocusBorder = selectColor;

            Invalidate();
        }